minor: specify key type in iterator phpdocs · alekitto/class-finder@11bd5c7

The job was canceled because "ubuntu-latest_8_2" failed.

Process completed with exit code 1.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires kcs/class-finder ^1.0@dev, found kcs/class-finder[dev-master, 0.5.x-dev (alias of dev-master)] but it does not match the constraint.